Solo Woodwind
- caught breath of time (flute doubling altoflute) (10′) (1982)
Flute Tetralog for Laura Chislett
- 1. vier darmstädter aphorismen
- Venezia (flute) (2′) (1986)
- piccolo fragment from Dark Neumes (piccolo) (2′) (1987)
- A.R.T.A.U.D. (bassflute) (3′) (1988)
- gelb : violett (altoflute) (7′) (1989)
- 2. dé/ployé (piccolo) (8′) (1987)
- 3. sulle scale della Fenice (flute) (10′) (1986–89)
- 4. closing lemma (flute) (10′) (1987–91)
Flute Pentalog for Carlton Vickers
- 1. dawn is a girl, removing her necklace of stars (open-hole flute [or altoflute]) (12′) (2017)
- 2.1. geminy (open-hole altoflute) (18′) (2017)
- 2.2. geminy A & B (open-hole altoflute) (8′ + 8′) (2017)
- 3. petrichor ([open-hole] bass flute) (10′) [in preparation] (2017– )
- 4. heliotropic (piccolo) [in preparation] (12′) (2017– )
- 5. Brancusi's Birds (open-hole flute) (15′) [in preparation] (2017– )
- AKJH (wooden closed-hole flute) (8′) [in preparation] (2017– )
- time (solo bass or basset clarinet) (6′) (1979)
- ruins within (clarinet in A) (10′) (1992–94)
- the sadness of detail [two versions, one folded, one unfolded] (clarinet) (10′) (2002)
- burns (alto saxophone) (6′) (1989)
- 'e/meth (oboe or soprano saxophone) (10′) (1995)
- shards (solo recorder: playing bass, tenor, alto, soprano, sopranino, garklein) (10′) (2011–12)
Solo Piano
- topologies (12′) (1978)
- tilt (8′) (1985)
- passing bells: night (12′) (2004)
- Piano Sonata (100′) (2015–16)
- Phase Portraits
- Book One
- zero-knowledge protocols (2′) (1973)
- helical (3′) (1975)
- tenebroso (6′) (1978/2003)
- dancing qualia (10′) (1978/ )
- tiento de medio registro alto (3′) (1978/2003)
- small box of time (8′) (2013/ )
- Pas Seul I: reading Takahashi (3.5′) (1979/93)
- Pas Seul II: vectorial (3.5′)
- Appendix to Book One
- Pas Seul III: rushes (piano duet) (6′) (1979/96)
- Book Two - [microsonata]
- into the wormworks (6′) (1984/95)
- esperance (4′) (1986)
- E-330 plays (6′) (1991/2003)
- Appendix to Book Two
- mem(e) (bassflute and piano) (5′) [Red House edition] [currently under revision] (1994)
- Book Three
- the heretical bagatelles
- BD & double [Brett Dean] (4′) (2009)
- AG [Anna Goldsworthy] (3′) (2008/12)
- KS [Kathryn Sullivan] (2′) (2009/12)
- AB 1- 6 (Ordre concis) [Andrew Bernard] (7′) (2014– )
- flex for AR [Alex Raineri] (7′) (2017)
- PdeJ 1 (facetiae) [Peter de Jager] (9') (2017)
- PdeJ 2 (austerer measures) (6') (2017)
- PdeJ 3 (laminar flow) (5′) (2017)
- MK [Mark Knoop] (5') (2017– )
- forAY [Adam Yee] (5') (2017– )
- JD [John Davis] (5') (2017– )
- the heretical bagatelles
- [When all three PdeJ pieces are performed as a group they should be referred to as the Sonata de Jager]
- Book Four
- the heart's algorithms (13′) (1993/99–2002)
- ik(s)land[s] fragment (2′) (1997/98)
- (the) Barry Jones Dances (15′) [in preparation] (2013– )
- Book One
Organ
- compostela/finisterre (large organ) (18′) (2005–06 extended 2009)
Solo Percussion
- small box of time (marimba) (8′) (2013)
Solo Guitar
- severance (8′) (1988–94)
- asymptotic freedom (17′) (1997–99) [Red House edition]
- in Chasm City (7-string electric guitar) (19′) [edited by Mark Wilson] (2018)
- unquiet (10′) [in preparation] (2019- )
- noctuary (10-string guitar) (12′) [in preparation] (2019- )
Chamber Music
- First String Quartet (65′) [rewrite completed--score forthcoming] (1985/2019)
- Second String Quartet (20′) [in preparation] (2018– )
- sum over histories (string trio) (15′) [new version] (2006/18– )
- fundamental processes (trio basso--viola, cello, contrabass) (20′) [new version] (2008/18– )
- funk (bass clarinet and untuned percussion) (10′) (1988–89)
- 'atsiluth/shîn (flute, bass clarinet, and piano) (12′) [currently withdrawn for revision] (1991)
- from n(ich)t (mezzo-soprano, recorder, guitar) (6′) (1999)
- Liminal (cello and piano) [currently withdrawn: score being recopied] (8′) (1978/2004/2018)
- Permutation City (percussion duo: playing two marimbas, vibraphone, and two octaves of crotales) (16′) (2005–08)
- Blood Music (clarinet, seven-string electric guitar, and quarter-tone vibraphone) (13′) (2005)
- e(i)ther (violin and piano) (13′) (2005)
- an Hypallage (mezzo-soprano, baritone, harp (or piano)) [text: Lawrence Sterne] (3′) (2008)
- diurnal (soprano and drone) [text: Arthur Haswell] (8′) (2014)
- polyme(t)ric threads (E flat clarinet & soprano saxophone) (12′) (2017)
Ensemble Works
- énoncé (sixteen instruments) (18′) (1983–84)
- recueillement (baritone voice, flute, oboe, clarinet, trombone, percussion, violin, viola, cello, bass) [text: Baudelaire] (12′) [currently withdrawn for revision] (1986/ )
- driftglass (solo percussion and five amplified instruments) (10′) (1990)
- beyond status geometry (percussion quartet) (20′) (1995)
- ik(s)land[s] (mezzo-soprano and flute, clarinet, guitar, percussion, violin, cello) [text: berni m janssen] (20′) (1997–98)
- eigenmomenta (flute, clarinet, piano, percussion, violin, cello) (10′) (2000–01)
- light-strung sigils (recorder and flute, clarinet, piano, percussion, violin, cello) (15′) (2001–02)
- the blinding access of the grace of the flesh (mezzo-soprano and flute, clarinet, guitar, percussion, violin, cello) [text: berni m janssen] (11′) (2003)
- Agnî (from Agnî-Prometheus-Lucifer) (sixteen instruments) (10′) (2006)
- Prometheus (from Agnî-Prometheus-Lucifer) (solo flute and fifteen instruments) (10′) [currently withdrawn for revision] (1992/2017– )
- in Platonia (solo guitar (amplified) and flute, oboe, clarinet, percussion, violin, cello) (25′) [in preparation] (2011– )
- crystallisation (baritone voice, and flute/alto/piccolo, oboe/melodica, B flat clarinet/E flat clarinet/bass clarinet, piano, percussion, violin, cello) [text: Arthur Haswell] (10′) (2011)
- flux (two flutes, clarinet, piano, percussion, violin, cello) (18′) (2016)
Music Theatre
Chamber-music-theatre
- heterotic strings (soprano and baritone voices, flute/alto/piccolo, oboe/cor anglais/melodica, B flat clarinet/E flat clarinet/bass clarinet, piano, percussion, violin, cello) [text: Arthur Haswell] [incomplete] (40-60') (2011– )
- seven types of time machine (soprano/narrator, solo recorder, flute, oboe, clarinet, trombone, two percussion, piano, violin, viola, cello, bass) [incomplete] (50-60′) (2012– )
- a composition lesson (soprano, mezzo-soprano, tenor, baritone, bass voices, and six percussionists) [libretto by the composer] [in preparation] (60–70′) (2010- )
Chamber opera
- We (soprano, mezzo-soprano, tenor, baritone, bass voices, and ensemble) [libretto: Dustine Barnes, after Zamyatin] [in preparation] (80–120′) (2010- )
- Enoch Soames, a chamber opera after Max Beerbohm [libretto in preparation]
Large Ensemble and Orchestra
- Symphony 1 (orchestra) (18′) [currently under re-orchestration] (1977–80)
- Symphony 2 for three brass trios and percussion (20′) [currently withdrawn for revision] (1982/ )
- Symphony 3: afterimages (orchestra) (20′) [currently under revision] (1987/ )
- Symphony 4 (four voices and large orchestra) (21′) (1994–97)